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Date:      Sat, 13 Oct 2001 15:27:32 +0200
From:      sthaug@nethelp.no
To:        freebsd-scsi@freebsd.org
Subject:   Unrecovered read error and corresponding ASC
Message-ID:  <20490.1002979652@verdi.nethelp.no>

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Can anybody tell me what the following ASC means?

Oct 11 05:37:04 s1 /kernel: (da3:ahc2:0:5:0): READ(10). CDB: 28 0 2 6 e0 10 0 0 50 0 
Oct 11 05:37:04 s1 /kernel: (da3:ahc2:0:5:0): MEDIUM ERROR info:206e016 asc:11,b
Oct 11 05:37:04 s1 /kernel: (da3:ahc2:0:5:0): Unrecovered read error - recommend reassignment sks:80,2d
Oct 11 05:37:04 s1 /kernel: vinum: v0.p0.s1 is crashed by force
Oct 11 05:37:04 s1 /kernel: vinum: v0.p0 is corrupt
Oct 11 05:37:05 s1 /kernel: vinum: v0.p0.s1 is stale by force

The disk is an IBM DMVS18D:

da3 at ahc2 bus 0 target 5 lun 0
da3: 17501MB (35843670 512 byte sectors: 255H 63S/T 2231C)
da3: 40.000MB/s transfers (20.000MHz, offset 8, 16bit), Tagged Queueing Enabled
da3: <IBM DMVS18D 0100> Fixed Direct Access SCSI-3 device 

Assuming it simply means I have a bad block, what's the easiest way to
force a reassignment of the block? The OS is 3.4-RELEASE.

Steinar Haug, Nethelp consulting, sthaug@nethelp.no

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